Yellow Module Word Scramble
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Question | Answer |
Describe capillaries | - join the arterial system with the venous system - most significant of blood vessels - provide cells with vital products - remove waste products from cells |
Describe the heart | - a hollow, muscular organ lying in the mediastinum that propels blood to entire body |
Describe the SA node | - located in upper portion of right atrium - has own built-in rhythm - initiate & transmit each heartbeat - sets basic pace for cardiac rate |
How do veins return blood to the heart? | - skeletal muscle contraction - gravity - respiratory activity - valves |
How is blood supplied to the heart muscle? | coronary arteries |
Name the factors that influence blood pressure | - resistance of blood flow - pumping action of heart - viscosity of blood - elasticity of artery -quantity of blood |
Name the four structures responsible for electrical conduction of the heart | - sinoatrial node - atrioventricular node - bundle of His -Purkinje fibers |
Name the three layers of the heart | - endocardium - myocardium - epicardium |
What are the three layers of artery walls? | - tunica externa - tunica media - tunica intima |
What are the three major types of blood vessels? | - arteries - veins - capillaries |
What are valves? | small structures within the veins that prevent the backflow of blood |
What is endocarditis? | inflammation of the inner lining of the heart and its valves |
What type of blood do arteries carry? | oxygenated blood |
What type of blood do veins carry? | deoxygenated blood |
Where is each heart valve? | - tricuspid valve - right atruium & right ventricle - pulmonic valve - pulmonary artery & right vetricle - mitral (bicuspid) valve - left atrium & left ventricle - aortic semilunar (aortic) valve - aorta & left ventricle |
Created by:
spencertasha
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